Help Sort my code to make it cross browser compatable

[JoeComins]

http://design.er1.be/

In IE, the Header is centered, but in FF, its left or justified.

I cant seem to get it in the middle

Also, comment on my terrible coding

Thanks

[ADAM:]

Looks good, coding isnt that bad. What did you code it in dreamweaver ?

[Mentor]

test align doesnt effect a background image, useing the background position attribute should work a little better

[Sygon.]

Loving the render.

[JoeComins]

I've sorted it now.

http://design.er1.be/index.php

Im going to make this my first proper site. Usally, I just leave them ''/